PVG612AS-TPBF - 60V 2A SPST-NO PhotoVoltaic Relay SMD | Infineon
MPN: PVG612AS-TPBF β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.45 | $34.50 |
| 100 | $3.05 | $305.00 |
| 500 | $2.68 | $1,340.00 |
| 1,000 | $2.35 | $2,350.00 |
PVG612AS-TPBF Overview
A photovoltaic relay (also called a PhotoMOS relay, MOSFET relay, or optically isolated solid-state relay) is a semiconductor device that uses light from an input LED to generate a stack of photovoltaic cell voltages, which then gate the output MOSFET. Because the output switching element is a MOSFET rather than an electromechanical contact, these relays offer essentially unlimited cycle life, microsecond switching speeds, no contact bounce, silent operation, and high immunity to shock, vibration, and magnetic fields. They sit in the broader hierarchy of solid-state relays (SSR), which themselves are a sub-category of electromechanical/optical switching components used in industrial automation, instrumentation, and battery management.
Key features of the PVG612AS-TPBF include 60 V maximum load voltage, 2 A continuous load current, 0.1 ohm typical on-state resistance (RDS(on)), 4000 Vrms input-to-output isolation voltage, 25 mA typical LED forward current, and SPST-NO (1 Form A) contact configuration. The HEXFET output stage provides linear AC/DC operation and a high off-state leakage resistance, enabling the relay to replace electromechanical relays in many applications with a far longer operating life.
Typical applications include automatic test equipment (ATE) multiplexing, instrumentation multiplexing, battery monitoring and management systems, audio signal switching, industrial control and process automation, and mercury-wetted-relay replacement. The 6-pin SMD package supports reflow soldering and high-density PCB designs, while the tape-and-reel format enables high-volume automated assembly.
When designing with this device, observe the input-side LED forward current (typically 25 mA for reliable turn-on) and ensure adequate PCB creepage and clearance to maintain the 4000 Vrms isolation rating. The output MOSFET is suitable for both AC and DC loads; for inductive loads an external TVS or snubber is recommended to clamp transients within the 60 V rating.
This page synthesizes distributor pricing, parametric drop-in alternatives (same-brand Infineon first, then cross-brand), practical design notes, and AI-citation-optimized FAQs not consolidated in any single manufacturer or distributor page.
Drop-in alternatives for PVG612AS-TPBF β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PVG612AS-TPBF (same form factor and footprint) β differing in Mounting Type, On-State Resistance (Max), Operating Temperature, Package, Relay Type.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PVG612ASPBF
β Drop-Inβ In Stock
$2.65 / Unit
View Datasheet βPVG612AS
β Drop-Inπ Reference alternative (not in catalog)
PVG612APBF
β Drop-Inπ Reference alternative (not in catalog)
PVG612AS-TPBF Maximum Ratings & Electrical Characteristics
| Relay Type | Solid State Photo-Coupled Relay (PhotoVoltaic / PhotoMOS) |
| Contact Configuration | SPST-NO (1 Form A) |
| Load Voltage (Max) | 60 V (AC / DC) |
| Load Current (Continuous) | 2 A |
| On-State Resistance (Max) | 0.1 ohm (RDS(on)) |
| Input-to-Output Isolation Voltage | 4000 Vrms |
| LED Forward Current (Typical) | 25 mA |
| Off-State Leakage | 1 uA (typical at rated Vload) |
| Turn-On Time (Typical) | 1 ms (estimated from datasheet family) |
| Turn-Off Time (Typical) | 0.5 ms (estimated from datasheet family) |
| Output Switch Technology | HEXFET Power MOSFET (Infineon / IR proprietary) |
| Input Drive | GaAlAs LED + integrated photovoltaic generator |
| Package | 6-SMD (0.300 inch / 7.62 mm pitch) |
| Mounting Type | Surface Mount (Tape & Reel) |
| RoHS Status | Compliant (Pb-Free) |
| Operating Temperature | -40C to +85C (typical industrial SSR range) |
PVG612AS-TPBF Pin Configuration
| Pin 1 | LED Anode (+) β Input LED anode; tie to logic drive through current-setting resistor |
| Pin 2 | LED Cathode (-) β Input LED cathode; return to ground / LED driver sink |
| Pin 3 | Drain β Output MOSFET drain terminal (load side A) |
| Pin 4 | Source β Output MOSFET source terminal (load side B) |
| Pin 5 | Source β Output MOSFET source terminal (load side B, paralleled with pin 4) |
| Pin 6 | Drain β Output MOSFET drain terminal (load side A, paralleled with pin 3) |
Power Derating & Thermal Characteristics
No manufacturer-published SOA (Safe Operating Area) curve is available for PVG612AS-TPBF. Always operate within the absolute maximum ratings specified in the manufacturer datasheet.
Typical Applications
PVG612AS-TPBF is suitable for 6 applications: Automatic Test Equipment (ATE) Multiplexing, Battery Management Systems (BMS) Pack Monitoring, Industrial Process Control and PLC Outputs, Audio Signal Routing and Mute Switching, Medical Patient Monitoring and Diagnostic Equipment, Mercury-Wetted Reed Relay Replacement.
Automatic Test Equipment (ATE) Multiplexing
The PVG612AS-TPBF fits ATE multiplexer cards where hundreds of channels must switch low-level analog signals across test points. Its 0.1 ohm on-resistance and high off-state isolation preserve signal integrity for sub-millivolt measurements, while the bounce-free MOSFET output eliminates the contact-wear failures common in electromechanical reed relays. Driving the input LED with 25 mA from a 5 V logic pin through a series resistor turns the relay on in roughly 1 ms; releasing the LED current turns it off in approximately 0.5 ms. The 4000 Vrms isolation protects sensitive DMM, oscilloscope, and source-measurement front-ends from fixture-side transients, and the SMD 6-pin 0.300 inch footprint allows high-density card layouts with reflow-compatible assembly.
Recommended
Battery Management Systems (BMS) Pack Monitoring
Battery management ICs need to disconnect cells during fault conditions or balance stacks during charging, and the PVG612AS-TPBF provides an isolated, low-leakage solid-state switch for that role. Its 60 V load rating covers 12-48 V battery packs common in e-bikes, e-scooters, and small industrial UPS systems, while the 2 A continuous rating handles typical cell-balancing currents up to several amps pulsed. The 4000 Vrms isolation is critical for high-voltage battery stacks where the microcontroller sits at chassis ground. Compared with an electromechanical relay the PVG612AS-TPBF has no contact bounce, no mechanical wear, and zero coil-induced back-EMF - simplifying BMS firmware and improving long-term reliability in always-on monitoring applications.
Recommended
Industrial Process Control and PLC Outputs
Programmable logic controllers (PLCs) and distributed I/O modules use solid-state relays to switch 24 VDC solenoid valves, indicator lamps, and small actuators. The PVG612AS-TPBF handles 24 V industrial rails at up to 2 A per channel with the 0.1 ohm on-state resistance minimizing voltage drop and heat dissipation in panel-mounted cabinets. Its SMD 6-pin 0.300 inch package allows dense channel-per-card designs, and the Infineon HEXFET output stage survives the inrush currents of inductive loads better than reed relays. The 4000 Vrms isolation is essential for factory-floor environments where the PLC logic ground is separated from field-side grounds subject to large common-mode noise.
Recommended
Audio Signal Routing and Mute Switching
Pro-audio mixers, broadcast routers, and home-theater preamplifiers use PhotoMOS relays to switch balanced audio lines without the click and pop of mechanical contacts. The PVG612AS-TPBF's low on-resistance (0.1 ohm) is negligible compared with the 100+ ohm source impedance of audio line outputs, so it adds no audible distortion. Its bounce-free, microsecond switching produces no transient artifacts, which is critical for live-sound mute circuits. The 60 V load rating handles +24 dBu professional audio levels with significant headroom, and the 4000 Vrms isolation prevents ground loops between equipment racks. Compared with small electromechanical signal relays, the PVG612AS-TPBF lasts essentially forever and adds no measurable THD.
Recommended
Medical Patient Monitoring and Diagnostic Equipment
Medical devices such as patient monitors, infusion pumps, and diagnostic analyzers route low-level analog signals (ECG, EEG, SpO2) through multiplexers that must isolate patients from mains-powered circuitry. The PVG612AS-TPBF provides 4000 Vrms input-to-output isolation, which exceeds the creepage and clearance requirements of IEC 60601-1 patient-isolation barriers when properly laid out. Its low on-resistance preserves the millivolt-level signal fidelity required for accurate bio-sensing, and its solid-state construction eliminates the bounce and wear that would compromise long-term calibration in always-on monitoring equipment. The SMD 0.300 inch package supports compact patient-wearable and bedside monitor designs with reflow-compatible manufacturing.
Recommended
Mercury-Wetted Reed Relay Replacement
Mercury-wetted relays offer long life and low contact resistance but are banned under RoHS and increasingly unavailable. The PVG612AS-TPBF is a RoHS-compliant, mercury-free solid-state drop-in for legacy mercury-wetted designs in instrumentation, audio patchbays, and test fixtures. Its 60 V / 2 A rating covers the typical signal levels (under 30 V, sub-2 A) where mercury relays were historically used, and the 0.1 ohm on-resistance is comparable. Unlike a mercury relay, the PVG612AS-TPBF has no wetting-film degradation and no tilt-sensitivity, making it suitable for portable and vibration-prone applications where mercury relays would fail.
Recommended
Recommended Products Summary
Engineering reference data for PVG612AS-TPBF β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PVG612ASPBF | PVG612AS | PVG612APBF |
|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | 6-SMD (0.300 inch / 7.62 mm) | 6-SMD (0.300 inch / 7.62 mm) | 6-SMD (0.300 inch / 7.62 mm) | Through-Hole DIP-6 (different footprint - drop-in only with through-hole PCB) |
| Contact Configuration | SPST-NO (1 Form A) | SPST-NO (1 Form A) | SPST-NO (1 Form A) | SPST-NO (1 Form A) |
| Load Voltage (Max) | 60 V | 60 V | 60 V | 60 V |
| Load Current (Continuous) | 2 A | 2 A | 2 A | 2 A |
| On-State Resistance | 0.1 ohm | 0.1 ohm | 0.1 ohm | 0.1 ohm |
| Isolation Voltage | 4000 Vrms | 4000 Vrms | 4000 Vrms | 4000 Vrms |
| Packaging Format | Tape & Reel | Tube / Tray | Tape & Reel (legacy non-Pb-Free) | Through-Hole Tube |
| RoHS / Pb-Free | Yes (Pb-Free) | Yes (Pb-Free) | Legacy - non-Pb-Free ordering suffix | Yes (Pb-Free) |
| Approx. Unit Price (1 pc, as of 2026-09-14) | $3.85 | ~$3.65 (tube packaging) | Legacy stock - check distributor | ~$4.10 (through-hole) |
Key Differentiators
- Infineon HEXFET output stage with proven long-term reliability (vs Generic third-party 60 V / 2 A PhotoMOS relays)
- Tape-and-reel packaging for high-volume SMT (vs PVG612ASPBF (same die, tube packaging))
- Industry-standard 0.300 inch 6-SMD footprint (vs Smaller 4-SOP or SSOP PhotoMOS relays)
Design Notes
Estimated: at 2 A continuous load and 0.1 ohm on-resistance the steady-state dissipation is 0.4 W. In a 6-SMD 0.300 inch package with limited copper pour, ensure the PCB has at least 100 mm^2 of copper connected to the output drain/source pins to keep junction temperature rise below 30 C above ambient. For 4 A pulsed DC loads per the datasheet's high-peak rating, derate the duty cycle to keep the average dissipation within thermal limits.
Maintain at least 8 mm creepage and clearance between input pins (1, 2) and output pins (3-6) on the PCB to preserve the 4000 Vrms isolation rating in production. Do not run any copper traces, vias, or solder mask openings under the relay body. For medical or reinforced-isolation applications, follow IEC 60601-1 or IEC 60747-5-5 layout guidelines and consider underfilling the relay to resist surface contamination that can degrade isolation over time.
Do not exceed the 60 V load-voltage rating - inductive loads (solenoids, relays, motors) can generate transient overvoltages that destroy the HEXFET output. Always add a TVS diode (e.g. 60 V unidirectional across the load) or an RC snubber. Drive the input LED with at least 5-10 mA for guaranteed turn-on under all temperature conditions, and limit the LED forward current to 25 mA typical to avoid accelerated aging. Never tie the LED anode directly to VCC without a current-setting resistor.
Compliance Information
RoHS-compliant per Infineon product page (Pb-Free TPBF suffix). Not AEC-Q100 qualified - solid-state relays are not typically automotive-qualified at this level. Halogen-free status not explicitly stated in retrieved data.
